Keda

The kedas.operator.kyma-project.io CustomResourceDefinition (CRD) is a detailed description of the Keda module configuration that you want to install on your cluster. To get the up-to-date CRD and show the output in the YAML format, run this command:

kubectl get crd kedas.operator.kyma-project.io -o yaml

Sample Custom Resource

The following Keda custom resource (CR) shows configuration of the Keda module with custom logging settings and resource limits.

apiVersion: operator.kyma-project.io/v1alpha1
kind: Keda
metadata:
  finalizers:
  - keda-manager.kyma-project.io/deletion-hook
  name: default
  namespace: kyma-system
spec:
  logging:
    operator:
      level: "info"
      format: "json"
      timeEncoding: "rfc3339"
    metricServer:
      level: "info"
      format: "json"
      timeEncoding: "rfc3339"
    admissionWebhook:
      level: "info"
      format: "json"
      timeEncoding: "rfc3339"
  resources:
    operator:
      limits:
        cpu: "800m"
        memory: "800Mi"
      requests:
        cpu: "50m"
        memory: "100Mi"
    metricServer:
      limits:
        cpu: "800m"
        memory: "800Mi"
      requests:
        cpu: "50m"
        memory: "100Mi"
    admissionWebhook:
      limits:
        cpu: "800m"
        memory: "800Mi"
      requests:
        cpu: "50m"
        memory: "100Mi"
status:
  conditions:
  - lastTransitionTime: "2024-01-15T10:00:00Z"
    message: Keda installed
    reason: Verified
    status: "True"
    type: Installed
  kedaVersion: 2.16.0
  served: "True"
  state: Ready

Custom Resource Parameters

For details, see the Keda specification file.

keda.operator.kyma-project.io/v1alpha1

Spec:

Parameter	Type	Description
istio	object	Istio sidecar injection configuration.
istio.​operator	object	Istio configuration for the KEDA operator component.
istio.​operator.​enabledSidecarInjection	boolean	Enables Istio sidecar injection for the KEDA operator Pod.
istio.​metricServer	object	Istio configuration for the KEDA metrics server component.
istio.​metricServer.​enabledSidecarInjection	boolean	Enables Istio sidecar injection for the KEDA metrics server Pod.
logging	object	Logging configuration for KEDA components.
logging.​operator	object	Logging configuration for the KEDA operator component.
logging.​operator.​level	string	Log level. The allowed values are debug, info, and error. The default value is info.
logging.​operator.​format	string	Log format. The allowed values are json, text, and console. The default value is console.
logging.​operator.​timeEncoding	string	Log timestamp format. The allowed values are epoch, millis, nano, iso8601, rfc3339, and rfc3339nano. The default value is rfc3339.
logging.​metricServer	object	Logging configuration for the KEDA metrics server component.
logging.​metricServer.​level	string	Log level. The allowed values are debug, info, and error. The default value is info.
logging.​metricServer.​format	string	Log format. The allowed values are json, text, and console. The default value is console.
logging.​metricServer.​timeEncoding	string	Log timestamp format. The allowed values are epoch, millis, nano, iso8601, rfc3339, and rfc3339nano. The default value is rfc3339.
logging.​admissionWebhook	object	Logging configuration for the KEDA admission webhook component.
logging.​admissionWebhook.​level	string	Log level. The allowed values are debug, info, and error. The default value is info.
logging.​admissionWebhook.​format	string	Log format. The allowed values are json, text, and console. The default value is console.
logging.​admissionWebhook.​timeEncoding	string	Log timestamp format. The allowed values are epoch, millis, nano, iso8601, rfc3339, and rfc3339nano. The default value is rfc3339.
resources	object	CPU and memory resource requirements for KEDA components.
resources.​operator	object	Resource requirements for the KEDA operator component.
resources.​operator.​limits.​cpu	string	CPU limit for the KEDA operator.
resources.​operator.​limits.​memory	string	Memory limit for the KEDA operator.
resources.​operator.​requests.​cpu	string	CPU request for the KEDA operator.
resources.​operator.​requests.​memory	string	Memory request for the KEDA operator.
resources.​metricServer	object	Resource requirements for the KEDA metrics server component.
resources.​metricServer.​limits.​cpu	string	CPU limit for the KEDA metrics server.
resources.​metricServer.​limits.​memory	string	Memory limit for the KEDA metrics server.
resources.​metricServer.​requests.​cpu	string	CPU request for the KEDA metrics server.
resources.​metricServer.​requests.​memory	string	Memory request for the KEDA metrics server.
resources.​admissionWebhook	object	Resource requirements for the KEDA admission webhook component.
resources.​admissionWebhook.​limits.​cpu	string	CPU limit for the KEDA admission webhook.
resources.​admissionWebhook.​limits.​memory	string	Memory limit for the KEDA admission webhook.
resources.​admissionWebhook.​requests.​cpu	string	CPU request for the KEDA admission webhook.
resources.​admissionWebhook.​requests.​memory	string	Memory request for the KEDA admission webhook.
env	[]object	List of environment variables to set in KEDA components. Follows the Kubernetes EnvVar specification.
env[].​name (required)	string	Name of the environment variable.
env[].​value	string	Value of the environment variable.
env[].​valueFrom	object	Source for the environment variable value, such as a ConfigMap or Secret reference.
podAnnotations	object	Annotations to add to the Pods of KEDA components.
podAnnotations.​operator	map	Annotations for the KEDA operator Pods.
podAnnotations.​metricServer	map	Annotations for the KEDA metrics server Pods.
podAnnotations.​admissionWebhook	map	Annotations for the KEDA admission webhook Pods.

Status:

Parameter	Type	Description
state	string	Signifies the current state of the Keda module. The value can be one of Ready, Processing, Error, Warning, or Deleting.
served (required)	string	Signifies that the current Keda CR is managed. The value can be True or False.
kedaVersion	string	Version of the installed KEDA.
conditions	[]object	Conditions associated with the Keda CR status.
conditions.​lastTransitionTime (required)	string	Specifies the last time the condition transitioned from one status to another.
conditions.​message (required)	string	Provides a human-readable message indicating details about the transition.
conditions.​observedGeneration	integer	Represents the .metadata.generation that the condition was set based upon.
conditions.​reason (required)	string	Contains a programmatic identifier indicating the reason for the condition's last transition.
conditions.​status (required)	string	Specifies the status of the condition. The value is either True, False, or Unknown.
conditions.​type (required)	string	Specifies the condition type in camelCase.

Keda CR Conditions

This section describes the possible states of the Keda CR. The following condition types are used: Installed, DeploymentFailure, and Deleted.

No	CR State	Condition type	Condition status	Condition reason	Remark
1	Ready	Installed	true	Verified	Server ready
2	Processing	Installed	unknown	Initialized	Initialized
3	Processing	Installed	unknown	Verification	Verification in progress
4	Error	Installed	false	ApplyObjError	Apply object error
5	Error	Installed	false	KedaDeploymentUpdateErr	Deployment update error
6	Error	Installed	false	VerificationErr	Verification error
7	Error	Installed	false	KedaDuplicated	Only one instance of Keda is allowed
8	Error	DeploymentFailure	true	DeploymentReplicaFailure	Workloads have the ReplicaFailure condition
9	Deleting	Deleted	unknown	Deletion	Deletion in progress
10	Deleting	Deleted	true	Deleted	Keda module deleted
11	Error	Deleted	false	DeletionErr	Deletion failed
12	Error	Installed	false	ValidationErr	Validation error